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  1. Official Boldt Castle Website – Alexandria Bay NY in the Heart of the ...

    Construction began on Boldt Castle in 1900 at the bidding of millionaire hotel magnate George C. Boldt as a tribute to his beloved wife Louise. Boldt Castle was designed as their summer dream home. A …

  2. Boldt Castle - Wikipedia

    Boldt Castle is a major landmark and tourist attraction in the Thousand Islands region of the U.S. state of New York. Open to guests seasonally between mid-May and mid-October, it is located on Heart …

  3. Plan Your Visit To Boldt Castle

    Boldt Castle is located on Heart Island, in the United States, and is only accessible by water. From both Canada and the U.S., visitors may find transportation on either a tour boat (a list of providers can be …

  4. How to see Boldt Castle in the 1000 Islands from Canada

    Jul 18, 2024 · Boldt had the island renamed to Heart Island and reshaped into the form of a heart. He undertook plans to build a Rhineland-style castle on it with six storeys and 120 rooms, plus tunnels, a …

  5. Abandoned for Over 70 Years, Historic Boldt Castle Has Been Restored

    Jul 11, 2026 · Despite its dilapidated state, Boldt Castle remained a popular curiosity and a romantic landmark in the Thousand Islands region. Tourists would visit Heart Island to explore the ruins and …

  6. Boldt Castle (Everything To Know Before A Visit)

    Nov 10, 2025 · When you visit Boldt Castle, you can learn more about its history through plaques and guided tours. Each room in the castle carries tales of the Boldts, allowing guests to connect with the …

  7. Boldt Castle – 1000 Islands

    At the turn of the 20th century, Boldt commissioned Boldt Castle as a Valentine’s Day gift for his beloved wife, Louise. The mansion was designed to echo 16th-century Rhineland castles, blending medieval …

  8. Boldt Castle Cruise | Rockport Cruises

    Our 4 hour cruise includes a 2.5 hour stop at Boldt Castle. Cruise past Zavikon Island (the world’s shortest International bridge), opulent Millionaire’s Row, the St. Lawrence Seaway and the 1000 …

  9. Boldt Castle and Boldt Yacht House - Visit 1000 Islands

    This 120-room Rhineland-style castle and yacht house built at the turn of the 20th century are the 1000 Islands region’s top attraction. Boldt Castle is home to one of the saddest love stories ever told.

  10. Boldt Castle History - 1000 Islands

    Mar 1, 2026 · George Boldt’s love story brought this stunning Rhineland-style castle to Heart Island — a must-see landmark. Located at the heart of the Thousand Island Region, Boldt Castle is the grandest …